div#header {
border: 2px solid gray;
background-color:gray;
padding:20px;
}

div#footer {
border: 2px solid gray;
background-color:gray;
padding:20px;
}

div#main {
border: 2px solid gray;
height:400px;
text-align: justify;
line-height: 20pt;
padding:10px;
}

body {
padding:0px;
font-family: arial,sans-serif;
}

div#body {
width:800px;
margin:0 auto;
}

div#left {
float:left;
height:100%;
}

div#main_menu {
width:200px;
}

